diff --git a/configuration/router/default.nix b/configuration/router/default.nix
index 0a4f1a8..4a17e71 100644
--- a/configuration/router/default.nix
+++ b/configuration/router/default.nix
@@ -3,6 +3,7 @@
 {
   environment.systemPackages = with pkgs; [
     wireguard-tools
+    tcpdump
   ];
 
   boot.kernel.sysctl = {